<div id="a1">
  <div class="container">
    <div class="row">
      <div class="page-header">
        <h1>Example page header
          <small>Subtext for header</small>
        </h1>
      </div>
      <ul class="media-list">
        <li class="media">
          <div class="media-left">
            <a href="#">
              <img class="media-object" src="../../assets/imgs/10.jpg" alt="...">
            </a>
          </div>
          <div class="media-body">
            <h4 class="media-heading">Media heading</h4>
            ...
          </div>
        </li>
      </ul>

      <h3>Example heading <span class="label label-default">New</span></h3>


      <ul class="nav nav-tabs" role="tablist">
        <li role="presentation" class="active"><a href="#home" role="tab" data-toggle="tab">Home</a></li>
        <li role="presentation"><a href="#profile" role="tab" data-toggle="tab">Profile</a></li>
        <li role="presentation"><a href="#messages" role="tab" data-toggle="tab">Messages</a></li>
        <li role="presentation"><a href="#settings" role="tab" data-toggle="tab">Settings</a></li>
      </ul>

      <div class="tab-content">
        <div role="tabpanel" class="tab-pane active" id="home">1</div>
        <div role="tabpanel" class="tab-pane" id="profile">2</div>
        <div role="tabpanel" class="tab-pane" id="messages">3</div>
        <div role="tabpanel" class="tab-pane" id="settings">4</div>
      </div>

    </div>
  </div>
</div>
